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3129150 = 235223907
BaseRepresentation
bin1011111011111100111110
312212222101110
423323330332
51300113100
6151022450
735411613
oct13737476
95788343
103129150
111847a82
12106aa26
1385738b
145b650a
1541c250
hex2fbf3e

3129150 has 48 divisors (see below), whose sum is σ = 8106624. Its totient is φ = 797280.

The previous prime is 3129121. The next prime is 3129169. The reversal of 3129150 is 519213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2997 + ... + 3903.

It is an arithmetic number, because the mean of its divisors is an integer number (168888).

Almost surely, 23129150 is an apocalyptic number.

3129150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3129150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4053312).

3129150 is an abundant number, since it is smaller than the sum of its proper divisors (4977474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3129150 is a wasteful number, since it uses less digits than its factorization.

3129150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 3129150 is about 1768.9403607810. The cubic root of 3129150 is about 146.2655765424.

The spelling of 3129150 in words is "three million, one hundred twenty-nine thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 23 25 30 46 50 69 75 115 138 150 230 345 575 690 907 1150 1725 1814 2721 3450 4535 5442 9070 13605 20861 22675 27210 41722 45350 62583 68025 104305 125166 136050 208610 312915 521525 625830 1043050 1564575 3129150